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    • 3. 发明申请
    • METALLIC SUPPORTING GRID FOR ULTRATHIN ELECTROLYTE MEMBRANES IN SOLID OXIDE FUEL CELLS
    • 固体氧化物燃料电池用超声波电解质膜金属支撑网
    • WO2007068726A1
    • 2007-06-21
    • PCT/EP2006/069688
    • 2006-12-13
    • ECOLE POLYTECHNIQUE FEDERALE DE LAUSANNE (EPFL)REY-MERMET, SamuelMURALT, PaulBABOROWSKI, Jacek
    • REY-MERMET, SamuelMURALT, PaulBABOROWSKI, Jacek
    • H01M8/12H01M8/02G01N27/419
    • H01M8/1226H01M8/0247H01M8/1286H01M2008/1293H01M2250/30Y02B90/18
    • A solid oxide fuel cell structure obtainable by selective electrochemical processing, comprising an electrolyte membrane (4) formed by a thin film more than 50nm but less than l0μm thick, covering a supporting structure (1) made of a bulk substrate, the supporting structure having at least one l00μm to 100mm wide opening that is covered by the electrolyte membrane (4) . A metallic grid (9) is applied over the electrolyte membrane (4) and serves at the same time as structural element to support the membrane and as current collector. The metallic grid (9) has gridlines that are higher than the membrane thickness and whose height to width ratio is larger than 0.5, and a mesh size about 10 to 1000 times smaller than the width of said opening. The metallic grid (9) can be applied on top of a patterned metallic sub-layer structure (7,7a) arranged for supplying a fine distribution of current and increasing the density of electrolyte-electrode boundaries exposed to the fluid. The structure is useful for current generation and as a gas sensor.
    • 一种通过选择性电化学处理获得的固体氧化物燃料电池结构,包括由大于50nm但小于10μm厚的薄膜形成的电解质膜(4),其覆盖由本体衬底制成的支撑结构(1),所述支撑结构具有 由电解质膜(4)覆盖的至少一个100μm至100mm宽的开口。 将金属网格(9)施加在电解质膜(4)上并与结构元件同时用于支撑膜和集电器。 金属网格(9)具有高于膜厚度并且其高宽比大于0.5的网格线,并且具有比所述开口宽度小约10至1000倍的网格尺寸。 金属网格(9)可以被施加在图案化的金属子层结构(7,7a)的顶部上,排列用于提供细微的电流分布并且增加暴露于流体的电解质 - 电极边界的密度。 该结构对于当前的发电和气体传感器是有用的。
    • 4. 发明申请
    • PIEZOELECTRIC RESONATOR OPERATING IN THICKNESS SHEAR MODE
    • 压电谐振器以厚度剪切模式工作
    • WO2010013197A3
    • 2010-03-25
    • PCT/IB2009053274
    • 2009-07-28
    • ECOLE POLYTECHMILYUTIN EVGENYMURALT PAUL
    • MILYUTIN EVGENYMURALT PAUL
    • H03H9/25H03H9/64
    • H01L41/107H03H9/02015H03H9/171H03H9/175H03H9/562H03H9/583
    • An acoustic wave resonator device comprising a resonant layer that comprises a series of side-by-side areas of first and second dielectric materials. In one embodiment the first dielectric material is a piezoelectric, in particular the first dielectric material can be a piezoelectric and the second dielectric material can be non-piezoelectric.In another embodiment,the first dielectric material is a piezoelectric of first polarity and the second dielectric material is a piezoelectric of opposite polarity or different polarity. Where needed, the resonant layer is supported on a reflector composed of series of layers of high acoustic impedance material(s) alternating with layers of low acoustic impedance material(s). For example, the reflector comprises AlN,Al2O3, Ta2O5, HfO2or W as high impedance material and SiO2 as low impedance material.
    • 包括谐振层的声波谐振器装置,其包括第一和第二电介质材料的一系列并排区域。 在一个实施例中,第一介电材料是压电体,特别地,第一介电材料可以是压电体,第二电介质材料可以是非压电的。在另一个实施例中,第一介电材料是第一极性的压电体, 材料是相反极性或不同极性的压电体。 在需要时,谐振层被支撑在由低声阻抗材料层交替的一系列高声阻抗材料层组成的反射器上。 例如,反射器包括AlN,Al2O3,Ta2O5,HfO2或W作为高阻抗材料,SiO 2作为低阻抗材料。